I 317x167x8x12.5 IAS · Weight & Dimensions

IAS, welded sections · Wide Flange (I-beam)

Wide flange beams (W shapes / I-beams) are the most common structural steel profile used in building construction. They are used for beams, columns, and girders in steel-framed buildings and bridges. Designed per AISC 360, Eurocode 3, and NBR 8800.

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Also known as: I 317x167x8x12.5 (México) · Doble T I 317x167x8x12.5 (Argentina / LATAM) · UB 317 (UK / Australia)

The I 317x167x8x12.5 steel profile weighs 51.1 kg/m (34.35 lb/ft), has a depth of 317 mm (12.48 in), flange width 167 mm (6.57 in). Cross-sectional area: 6,511 mm². Moment of inertia Ix = 11,342.918 cm⁴, Iy = 971.551 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	317 mm	12.48 in
Width (b)	167 mm	6.57 in
Web thickness (tw)	8 mm	0.31 in
Flange thickness (tf)	12.5 mm	0.49 in
Weight	51.1 kg/m	34.35 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	6,511 mm²	10.092 in²
Moment of inertia (Ix)	11,342.92 cm⁴	272.51 in⁴
Moment of inertia (Iy)	971.55 cm⁴	23.34 in⁴
Elastic section modulus (Sx)	715.64 cm³	43.671 in³
Elastic section modulus (Sy)	116.35 cm³	7.100 in³
Plastic section modulus (Zx)	806.17 cm³	49.196 in³
Plastic section modulus (Zy)	178.98 cm³	10.922 in³
Radius of gyration (rx)	13.2 cm	5.196 in
Radius of gyration (ry)	3.86 cm	1.521 in